منابع مشابه
Topographic Maps
We call "natural" image any photograph of an outdoor or indoor scene taken by a standard camera. We discuss the physical generation process of natural images as a combination of occlusions, transparencies and contrast changes. This description ts to the phenomeno-logical description of Gaetano Kanizsa according to which visual perception tends to remain stable with respect to these basic operat...
متن کاملRelational Topographic Maps
We introduce relational variants of neural topographic maps including the selforganizing map and neural gas, which allow clustering and visualization of data given in terms of a pairwise similarity or dissimilarity matrix. It is assumed that this matrix originates from an euclidean distance or dot product, respectively, however, the underlying embedding of points is unknown. One can equivalentl...
متن کاملTopology preservation in topographic maps
The construction of topographic models for fitting a model to the data set requires selection of appropriate values for its parameters. Since the parameters control the flexibility of the model, the generalization problem is directly related to parameter selection. This paper addresses this problem, using a novel criterion for monitoring topographic maps in which the key observation is that we ...
متن کاملMode estimation with topographic maps
The paper reviews thoroughly a variety of issues related to mode estimation. The potential of self-organizing maps as an approach to mode detection is inquired here. The batch version of the standard SOM and a convex adjustment of it are compared with two kernel-based learning rules, namely, the generative topographic mapping and the kernelbased maximum entropy learning rule. A strategy for mod...
متن کاملScree Representation on Topographic Maps
Scree patterns are an important element of mountain maps in Swiss style. The size and density of scree dots vary with the exposition towards a source of illumination, which makes the dots extremely labour intensive to map without specialized algorithms. This paper identifies design principles for the symbolisation of scree fields on mountain slopes and presents a digital method for the quick pl...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Vojnotehnicki glasnik
سال: 2006
ISSN: 0042-8469
DOI: 10.5937/vojtehg0601081b